[The founder of Pennsylvania; born in London, Oct. 14, 1644; educated at Oxford; joined the Quakers; obtained a grant of land in America in payment of a claim against government; sailed 1682, and made a treaty with the Indians on the site of Philadelphia; returned 1684, and obtained relief for Quakers from James II.; tried for treason, but acquitted; visited America, 1699; died 1718.]